[go: up one dir, main page]

WO2019244887A1 - Engin de chantier - Google Patents

Engin de chantier Download PDF

Info

Publication number
WO2019244887A1
WO2019244887A1 PCT/JP2019/024103 JP2019024103W WO2019244887A1 WO 2019244887 A1 WO2019244887 A1 WO 2019244887A1 JP 2019024103 W JP2019024103 W JP 2019024103W WO 2019244887 A1 WO2019244887 A1 WO 2019244887A1
Authority
WO
WIPO (PCT)
Prior art keywords
air cleaner
engine
wheels
fuel tank
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/024103
Other languages
English (en)
Japanese (ja)
Inventor
中村太郎
瀧口純一郎
南方佑輔
川口晃平
若林宗平
斎藤博紀
金子真之
黒見晃志
見前伸吾
伊藤潤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Saito Agricultural Machinery Co Ltd
Original Assignee
Kubota Corp
Saito Agricultural Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018116430A external-priority patent/JP7226704B2/ja
Priority claimed from JP2018116431A external-priority patent/JP7226705B2/ja
Application filed by Kubota Corp, Saito Agricultural Machinery Co Ltd filed Critical Kubota Corp
Priority to US17/059,746 priority Critical patent/US12017526B2/en
Priority to CN201980036404.7A priority patent/CN112236326B/zh
Priority to EP19822579.9A priority patent/EP3812191B1/fr
Priority to KR1020207033650A priority patent/KR102502411B1/ko
Publication of WO2019244887A1 publication Critical patent/WO2019244887A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/006—Control or measuring arrangements
    • A01D34/008—Control or measuring arrangements for automated or remotely controlled operation
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/64—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
    • A01D34/66—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
    • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/063—Arrangement of tanks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
    • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
    • A01D34/6806—Driving mechanisms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
    • A01D34/86—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for use on sloping ground, e.g. on embankments or in ditches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles

Definitions

  • the present invention relates to a working machine that performs work at a level relatively close to the ground as the vehicle travels.
  • Patent Document 1 discloses a technique of a mower equipped with wheels on the front and rear and left and right of the body, a cutting blade at a center position of the body, and an engine for driving the wheels and the cutting blade on the body. It is shown.
  • the work machine (mowing machine) described in Patent Document 1 is configured such that left and right front wheels and left and right rear wheels are steerable and driven by driving force from an engine.
  • a cutting blade rotatably supported about a rotation axis in a vertical position is provided at a center position of the body, and the cutting blade is driven by a driving force from an engine.
  • the work machine (mowing machine) described in Patent Document 1 is configured so that the steering operation can be performed by remote control.
  • Patent Literature 1 enables mowing work by remote control so as not to affect an operator even on a slope where the body may fall down.
  • Patent Literature 1 a battery is disposed on one side of the body in the left-right direction, so that the battery functions as a balance weight.
  • the solution to the problem (1) is as follows.
  • the feature configuration of the working machine according to the present invention includes a body capable of traveling by left and right front wheels and left and right rear wheels, and a working device supported by the body, the front wheel, the rear wheel, and the working device.
  • a fuel tank for storing fuel of the engine are located between the front wheels and the rear wheels in the front-rear direction of the fuselage and outwardly from the center in the left-right direction of the fuselage.
  • a protective member that is disposed at a shifted position and that projects outward from an outer end position of the fuel tank in a deflection direction in which the fuel tank is shifted in plan view.
  • a fuel supply pipe extending upward from an outer end of the fuel tank in the deviating direction is provided, and a cap is detachably provided at an upper end of the fuel supply pipe.
  • the protection member may be disposed so as to project outward from the outer periphery of the cap in the deviation direction.
  • the protection member comes into contact with the caps and pushes the body away from the body as the body travels. For this reason, it does not happen that the plants and the like on the ground come into contact with the cap and damage it, and the cap is not separated from the oil supply pipe.
  • the outer end position of the protection member in the offset direction is the outer end position of the front wheel in the offset direction, and the outer end position of the rear wheel in the offset direction. It may be arranged so as to protrude outside the virtual line connecting the end position.
  • the fuel tank is brought into contact with the protection member on the base end side thereof. There is no contact with plants on the ground.
  • the protection member may be formed of a plate-shaped material having an arc-shaped outer edge whose center position in the front-rear direction in a plan view gently projects outward.
  • the solution to the problem (2) is as follows.
  • the feature configuration of the working machine according to the present invention includes a body capable of traveling by left and right front wheels and left and right rear wheels, and a working device supported by the body, the front wheel, the rear wheel, and the working device.
  • An engine that drives the vehicle is disposed between the front wheel and the rear wheel in the front-rear direction of the body, and at a position displaced outward from the center in the left-right direction of the body, and in a plan view, the front An air cleaner of the engine is disposed at a position facing the wheel or the rear wheel in the front-rear direction, and a dustproof member is provided between the air cleaner and the front wheel or the rear wheel facing the air cleaner. It is in.
  • a work machine is configured to suppress an increase in the amount of dust suctioned by the air cleaner. .
  • this configuration it is also possible to suppress a phenomenon that the air cleaner is damaged by pebbles or the like jumped up by wheels.
  • a plate material that is wide in the left-right direction of the body is used so that the dust-proof member covers an area extending in a direction of the front wheel or the rear wheel facing the air cleaner from a position below the air cleaner. You may be.
  • the dustproof member made of a wide plate material is arranged in a region extending from the lower side of the air cleaner toward the wheel facing the air cleaner, so that dust blown up from the ground can be reliably blocked.
  • the extension end of the dustproof member may reach above the front wheel or the rear wheel facing the air cleaner.
  • FIG. 2 is a perspective view showing a portion of an engine and a fuel tank.
  • an airframe A configured to be able to travel freely by left and right front wheels 1 and left and right rear wheels 2 is provided with a cutting blade housing C, and a cutting blade 14 is provided inside the cutting blade housing C.
  • F indicates “forward”
  • B indicates “backward”
  • R indicates “right”
  • L indicates “left”
  • U in FIG. Indicates “upward”
  • D indicates “downward”.
  • a working device is constituted by a bowl-shaped cutting blade housing C that opens downward, a plurality of cutting blades 14 housed therein, and a drive system that drives the plurality of cutting blades 14.
  • the engine 3 and the fuel tank 4 are arranged between the front wheels 1 and the rear wheels 2 in the front-rear direction of the fuselage A at a position deviated rightward and outward from the center of the fuselage A in the left-right direction.
  • the body A has a body 5 made of a sheet metal material or a resin so as to cover the engine 3, the fuel tank 4, the main transmission case 21, the traveling transmission case 22, and the like.
  • a bumper 6 is provided at a front end and a rear end of the body 5.
  • This mower performs steering operation of left and right front wheels 1 and left and right rear wheels 2 by remote control using a radio signal, switches between forward and reverse, and adjusts the throttle of the engine 3 and the like.
  • a receiver (not shown) is provided inside the body 5.
  • This mowing machine is designed to be able to perform mowing work on an inclined surface (slope) such as a river embankment or an embankment portion of a road.
  • the engine 3 and the fuel tank 4 are arranged at a position deviated to one side in the left-right direction (right side in this embodiment) and at a low position. Further, the left side width W1 is set wider than the right side width W2 of the left and right front wheels 1 and the rear wheels 2.
  • an auxiliary frame 7 is extended rightward and outward from the right side of the body A, and a balancer 8 is attached to the auxiliary frame 7. I have.
  • the auxiliary frame 7 can be separated from the body A.
  • the engine 3, the fuel tank 4, and the balancer 8 are raised by always arranging the right side of the airframe A on the high side of the inclined surface and running the airframe A.
  • the mowing work is implemented in a state where the aircraft A is prevented from falling down from the wide ground contact surface between the left front wheel 1 and the left rear wheel 2.
  • the cutting blade housing C has a vertical wall 11 in a vertical position at a portion surrounding an outer peripheral portion of a flat upper wall 10.
  • a rotary disk 13 is provided at the lower end of a drive shaft 12 that vertically passes through the center of the upper wall 10 of the cutting blade housing C, and a plurality of plate-shaped cutting blades 14 are provided on the outer periphery of the rotary disk 13.
  • a pair of main frames 20 are provided in a horizontal position at a position to be mounted on the upper wall 10 of the cutting blade housing C in a position parallel to each other. 3 and a fuel tank 4 are supported.
  • the cross-sectional shape of the main frame 20 is U-shaped, and is provided in a posture that opens downward.
  • the base end of the auxiliary frame 7 described above is housed in the internal space of the main frame 20 so as to be freely inserted and removed.
  • a main transmission case 21 is disposed in the center of the body A in the left-right direction while being supported by the main frame 20, and a traveling transmission case 22 is disposed on the opposite side of the engine 3 with respect to the main transmission case 21. I have. Further, a front drive case 23 is disposed at a front position of the fuselage A, and a rear drive case 24 is disposed at a rear position of the fuselage A.
  • the driving force of the engine 3 is transmitted to the main transmission case 21, and the driving force from the main transmission case 21 is transmitted from the drive shaft 12 to the cutting blade 14 via the rotating disk 13, thereby cutting grass and the like. enable. Further, the driving force from the main transmission case 21 is transmitted to the traveling transmission case 22, further transmitted from the front driving case 23 to the left and right front wheels 1, and transmitted from the rear driving case 24 to the left and right rear wheels 2, so that the body A Enables traveling.
  • a transmission unit that transmits the driving force of the engine 3 to the main transmission case 21 includes a centrifugal clutch and a brake that applies a braking force to the entire drive system.
  • the main transmission case 21 incorporates a work clutch mechanism for intermittently driving force transmitted to the drive shaft 12 and a forward / reverse switching mechanism for switching the rotation direction of the driving force transmitted to the traveling transmission case 22 between forward and reverse.
  • the left and right front wheels 1 and the left and right rear wheels 2 are supported so as to be steerable with respect to the fuselage A.
  • the left and right front wheels 1 are linked by a tie rod or the like, and are configured to be steerable by a driving force of a front steering motor 25.
  • the left and right rear wheels 2 are linked by tie rods, and are configured to be steerable by a driving force of a rear steering motor 26.
  • the steering operation of the front and rear wheels by the traveling operation structure, the switching between forward and backward movement by the forward and backward switching mechanism, and the intermittent driving force by the work clutch mechanism are remotely operated by the above-mentioned radio signal.
  • the engine 3 includes a recoil starter 3b at a right end position of the engine main body 3a, and an air cleaner 3c at a rear surface position of the engine main body 3a (a position facing the rear wheel 2).
  • the tank body 4a of the fuel tank 4 is disposed below the engine 3, and a part of the tank body 4a is exposed behind the recoil starter 3b in plan view.
  • the fuel tank 4 has a fuel supply pipe 4b extending upward from the above-described exposed portion, and has a cap 4c at the upper end of the fuel supply pipe 4b so as to be detachable. Since the cap 4c is screwed to a male screw portion on the outer periphery of the upper end of the oil supply pipe 4b, the cap 4c can be attached and detached by a manual rotation operation.
  • the recoil starter 3b is most protruded outward rightward, and the oil supply pipe 4b and the cap 4c are disposed at positions adjacent to the rear side of the recoil starter 3b in plan view.
  • the cap 4c is disposed at a position protruding rightward most.
  • the engine 3 and the fuel tank 4 are deviated to the right of the fuselage A and are arranged at a low position. Therefore, when the aircraft A is moved backward at the time of work, vegetation on the ground strongly contacts the exposed portion of the tank main body 4a, the oil supply pipe 4b or the cap 4c, and may damage them, or may cause tall grasses. In some cases, it is wound around the cap 4c and rotated in a direction to loosen the cap 4c.
  • a protection member 30 which projects outward from the outer end position of the fuel tank 4 in the direction of deviation (rightward) as shown in FIGS.
  • the protection member 30 is formed of a plate-like material having an arc-shaped outer edge whose center position in the front-rear direction gently projects outward in a plan view, and is fixed to the outer end position of the main frame 20 described above.
  • the protection member 30 is disposed at a position protruding outward from the outer periphery of the cap 4c in a deviating direction (rightward direction) in plan view.
  • the outer end position of the protection member 30 in the eccentric direction is the outer end position of the right front wheel 1 in the eccentric direction (right direction) and the right rear wheel 2. Of these, it protrudes outward from an imaginary line L connecting the outer end position in the deviation direction (right direction).
  • the protective member 30 prevents direct contact by contacting the plant or the like, and the cap 4c rotates due to the phenomenon that the plant or the like wraps around the oil supply pipe 4b or the contact of the plant or the like and separates from the oil supply tube 4b. Inconvenience can be resolved.
  • the dust on the ground jumped up by the rear wheels 2 may come into contact with the air cleaner 3c to damage the air cleaner 3c.
  • the dustproof member 32 is arranged in a region extending from a position below the air cleaner 3c to above the rear wheel 2.
  • the dustproof member 32 is made of a plate material that is widened in the left-right direction of the fuselage A.
  • the dustproof member 32 is provided in a form in which a base end portion of the dustproof member 32 located below the air cleaner 3c is fixed to the main frame 20.
  • the dustproof member 32 prevents the dust from being blown up into the space between the air cleaner 3c and the rear wheel 2 facing the air cleaner 3c during the mowing operation, and prevents the dust from being sucked by the air cleaner 3c. As a result, the inconvenience of shortening the replacement time of the air cleaner element is eliminated.
  • the configuration of the present invention is applied to a configuration in which the fuel supply pipe 4b is arranged so as to extend toward the front side of the body A with the fuel tank 4 as a reference.
  • the protection member 30 eliminates the inconvenience that plants and the like come into contact with the fuel tank 4, the fuel supply pipe 4b, and the cap 4c when the body A advances.
  • the protection member 30 is formed of a member obtained by bending a metal material into an arc shape. It is conceivable to fix the base end of the protective member 30 configured as described above to the outer end of the main frame 20 and to support the base end to the fuel tank 4.
  • the configuration of the present invention is applied to a configuration in which the air cleaner 3c is disposed so as to be exposed on the front side of the body A with respect to the engine 3.
  • the airframe A moves forward, dust blown up from the ground can be blocked by the dust-proof member 32, so that suction of the dust by the air cleaner 3c can be suppressed.
  • the pebbles bounced up by the rear wheel 2 can be cut off by the dustproof member 32, the phenomenon that the pebbles come into contact with the air cleaner and are broken can be suppressed.
  • the base end portion of the dustproof member 32 is fixed to the main frame 20.
  • the dustproof member 32 may be supported by the engine 3 above the main frame 20, and the dustproof member 32 can be replaced. It may be provided detachably with bolts or the like.
  • the present invention relates to a working machine having a front wheel and a rear wheel, an engine and a fuel tank arranged at a position deviated to one side in the left-right direction of the body, and a body having a front wheel and a rear wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

La présente invention concerne un engin de chantier dans lequel un moteur et un réservoir de carburant ne sont pas endommagés pendant les travaux même lorsqu'ils sont disposés de manière décalée vers le côté gauche ou le côté droit d'un corps d'engin. La présente invention comprend : un corps d'engin (A) qui peut se déplacer au moyen de roues avant gauche et droite (1) et de roues arrière gauche et droite (2) ; et un dispositif de travail supporté par le corps d'engin (A). Un réservoir de carburant (4) et un moteur (3) entraînant les roues avant (1) et les roues arrière (2) sont disposés entre les roues avant (1) et les roues arrière (2) dans la direction avant-arrière du corps d'engin (A) et décalé vers l'extérieur à partir du centre dans la direction gauche-droite du corps de machine (A). L'engin de chantier est pourvu d'un élément de protection (30) qui s'étend davantage vers l'extérieur qu'une position d'extrémité externe du réservoir de carburant (4) dans la direction de décalage du réservoir de carburant (4) dans une vue en plan.
PCT/JP2019/024103 2018-06-19 2019-06-18 Engin de chantier Ceased WO2019244887A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/059,746 US12017526B2 (en) 2018-06-19 2019-06-18 Work machine
CN201980036404.7A CN112236326B (zh) 2018-06-19 2019-06-18 作业机
EP19822579.9A EP3812191B1 (fr) 2018-06-19 2019-06-18 Engin de chantier
KR1020207033650A KR102502411B1 (ko) 2018-06-19 2019-06-18 작업기

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-116430 2018-06-19
JP2018116430A JP7226704B2 (ja) 2018-06-19 2018-06-19 作業機
JP2018116431A JP7226705B2 (ja) 2018-06-19 2018-06-19 作業機
JP2018-116431 2018-06-19

Publications (1)

Publication Number Publication Date
WO2019244887A1 true WO2019244887A1 (fr) 2019-12-26

Family

ID=68983881

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/024103 Ceased WO2019244887A1 (fr) 2018-06-19 2019-06-18 Engin de chantier

Country Status (5)

Country Link
US (1) US12017526B2 (fr)
EP (1) EP3812191B1 (fr)
KR (1) KR102502411B1 (fr)
CN (1) CN112236326B (fr)
WO (1) WO2019244887A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06320966A (ja) * 1993-05-17 1994-11-22 Iseki & Co Ltd フューエルタンク
JPH08118966A (ja) * 1994-07-15 1996-05-14 Jc Bamford Excavators Ltd 特殊車両
JP2005262978A (ja) * 2004-03-17 2005-09-29 Hitachi Constr Mach Co Ltd 作業機械およびその製造方法
JP2014198008A (ja) * 2013-03-29 2014-10-23 株式会社クボタ トウモロコシ収穫機
JP2016067229A (ja) 2014-09-26 2016-05-09 株式会社クボタ 操向式草刈り機
JP2018034782A (ja) * 2016-08-31 2018-03-08 浙江鼎力机械股▲ふん▼有限公司 低重心車体及び高所作業車
CN207388854U (zh) * 2017-11-06 2018-05-22 重庆林博汽车配件有限公司 一种加强型燃油箱装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757872A (en) * 1985-07-19 1988-07-19 Honda Giken Kogyo Kabushiki Kaisha Vehicle
US4790273A (en) * 1987-02-19 1988-12-13 Kiyohiko Oguri Vertical engine for walk behind lawn mower
US5676117A (en) 1996-06-14 1997-10-14 Williams; Parke D. Lawn mower powered by alternative fuels
JPH11245857A (ja) * 1998-03-06 1999-09-14 Yanmar Agricult Equip Co Ltd 小型乗用作業機
JPH11322274A (ja) * 1998-05-13 1999-11-24 Kobe Steel Ltd 自走式作業機械
JP4207790B2 (ja) * 2004-02-02 2009-01-14 トヨタ自動車株式会社 車体下部構造
US6955697B1 (en) 2004-04-02 2005-10-18 Kwang Yang Motor Co., Ltd. Air cleaner for engines
JP2007083825A (ja) * 2005-09-21 2007-04-05 Kubota Corp 給油口の設置構造
JP3129006U (ja) * 2006-11-15 2007-02-01 和同産業株式会社 乗用草刈り機
JP5580696B2 (ja) * 2010-08-30 2014-08-27 株式会社クボタ 作業車
JP5520200B2 (ja) * 2010-11-30 2014-06-11 株式会社クボタ 水田作業機
JP2013052722A (ja) * 2011-09-01 2013-03-21 Kubota Corp 作業用車両
GB2531767A (en) 2014-10-29 2016-05-04 Bamford Excavators Ltd Working Machine
JP6471464B2 (ja) * 2014-11-07 2019-02-20 井関農機株式会社 作業車両
JP2016116474A (ja) * 2014-12-19 2016-06-30 株式会社クボタ トウモロコシ収穫機
CN107529723B (zh) * 2015-05-01 2021-09-21 株式会社久保田 作业机、作业车及作业机用天篷
JP6320966B2 (ja) 2015-05-13 2018-05-09 日本電信電話株式会社 言語モデル生成装置、方法及びプログラム
JP6292205B2 (ja) * 2015-10-20 2018-03-14 トヨタ自動車株式会社 車両床下構造
FR3052424B1 (fr) * 2016-06-10 2018-06-29 Peugeot Citroen Automobiles Sa Structure de vehicule automobile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06320966A (ja) * 1993-05-17 1994-11-22 Iseki & Co Ltd フューエルタンク
JPH08118966A (ja) * 1994-07-15 1996-05-14 Jc Bamford Excavators Ltd 特殊車両
JP2005262978A (ja) * 2004-03-17 2005-09-29 Hitachi Constr Mach Co Ltd 作業機械およびその製造方法
JP2014198008A (ja) * 2013-03-29 2014-10-23 株式会社クボタ トウモロコシ収穫機
JP2016067229A (ja) 2014-09-26 2016-05-09 株式会社クボタ 操向式草刈り機
JP2018034782A (ja) * 2016-08-31 2018-03-08 浙江鼎力机械股▲ふん▼有限公司 低重心車体及び高所作業車
CN207388854U (zh) * 2017-11-06 2018-05-22 重庆林博汽车配件有限公司 一种加强型燃油箱装置

Also Published As

Publication number Publication date
EP3812191A4 (fr) 2022-06-08
US12017526B2 (en) 2024-06-25
KR102502411B1 (ko) 2023-02-23
CN112236326B (zh) 2024-09-24
US20210219489A1 (en) 2021-07-22
CN112236326A (zh) 2021-01-15
KR20210003204A (ko) 2021-01-11
EP3812191B1 (fr) 2024-05-01
EP3812191A1 (fr) 2021-04-28

Similar Documents

Publication Publication Date Title
EP3295784B1 (fr) Tondeuse à gazon autoportée latérale
JP7226704B2 (ja) 作業機
US3818687A (en) Rotary lawn mower discharge chute safety deflector
WO2019244887A1 (fr) Engin de chantier
KR101389019B1 (ko) 포크레인 장착용 예초기
JP2019216651A (ja) 作業機
KR20130079254A (ko) 풀 예취 장치
JP2011115121A (ja) 乗用型草刈機
US20210029875A1 (en) Lawn mower
EP2371199B1 (fr) Machine de travail à pied
KR20160092268A (ko) 자주식 차량에 탈부착 가능하게 결합되는 제초 장치
US8899006B2 (en) Walk behind garden tool chassis
JP7431444B2 (ja) 草刈り機
JP7733934B2 (ja) 農作業機
CN216362613U (zh) 一种割草机用收纳装置
US20230144059A1 (en) Work machine
CN116724751A (zh) 割草机
JP7232397B2 (ja) 自走式作業機
JPH0522030Y2 (fr)
JP7284006B2 (ja) 往復動刈刃式手持ち作業機
JP7125053B2 (ja) 草刈機
JP6789258B2 (ja) 手持式作業機
JPH06209635A (ja) トラクタのフロントモーア
JPH10150824A (ja) 歩行型草刈機
JP2001258352A (ja) 携帯型畔用草刈機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19822579

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20207033650

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2019822579

Country of ref document: EP

Effective date: 20210119